2100052010520 has 192 divisors, whose sum is σ = 6963557065920. Its totient is φ = 548688172032.

The previous prime is 2100052010491. The next prime is 2100052010531. The reversal of 2100052010520 is 250102500012.

2100052010520 is a `hidden beast` number, since 21 + 0 + 0 + 0 + 520 + 105 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2100052010493 and 2100052010502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13795462 + ... + 13946858.

It is an arithmetic number, because the mean of its divisors is an integer number (36268526385).

Almost surely, 2^{2100052010520} is an apocalyptic number.

2100052010520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2100052010520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3481778532960).

2100052010520 is an abundant number, since it is smaller than the sum of its proper divisors (4863505055400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2100052010520 is a wasteful number, since it uses less digits than its factorization.

2100052010520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152194 (or 152187 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

Adding to 2100052010520 its reverse (250102500012), we get a palindrome (2350154510532).

The spelling of 2100052010520 in words is "two trillion, one hundred billion, fifty-two million, ten thousand, five hundred twenty".